Stefan Bergfried;Mike Farwick;Ursula Maczkiewitz;Hans Henning Wenk
发明人:
Hans Henning Wenk,Mike Farwick,Stefan Bergfried,Ursula Maczkiewitz
申请号：
US13106532
公开号：
US08420137B2
申请日:
2011.05.12
申请国别(地区):
US
年份:
2013
代理人:
摘要：
The invention relates to a process for the preparation of a plant extract from Curcuma plants, characterized by the process steps process step A) liquid extraction of Curcuma rhizomes, process step B) optionally, separation of a curcuminoid-containing solid obtained by precipitation from the extraction mixture obtained in process step A), process step C) removal of solvents present from the extraction mixture obtained in process step A) or B) to obtain a concentrate and process step D) distillation of the concentrate at a pressure of less than 1 bar to give the extract as distillate.
